<template>
  <view class="cart-container" v-if="cart.length!==0">
    <my-address></my-address>
    <view class="cart-title">
      <!-- 左侧图标 -->
      <uni-icons type="shop" size="18"></uni-icons>
      <!-- 右侧文本 -->
      <text class="cart-title-text">购物车</text>
    </view>
 
    
    <!-- 循环遍历购物车中的商品信息 -->

  <uni-swipe-action>
    <block v-for="(goods,i) in cart" :key="i">
    <uni-swipe-action-item :right-options="options" @click="swipeClickHandler(goods)">
        <my-goods :goods="goods" :show-radio="true" :show-num="true" @radio-change="radioChangeHandler" @num-change="numChangeHandler"></my-goods>
    </uni-swipe-action-item>
    </block>
  </uni-swipe-action>
  
  <!-- 使用自定义的结算组件 -->
  <my-settle></my-settle>
  </view>
  
  <!-- 空白购物车的节点 -->
  <view class="empty-cart" v-else>
    <image src="../../static/OIP-C.jpg" class="empty-img"></image>
    <text class="tip-text">空空如也~~</text>
  </view>
</template>

<script>
import { mapState,mapMutations } from 'vuex'
  import badgeMix from '@/mixins/tabbar-badge.js';
  export default {
   mixins:[badgeMix],
  computed: {
  			//使用对象展开运算符将此对象混入到外部对象中
  			...mapState(['cart'])
  		},
      methods:{
        ...mapMutations(['updateGoodsState','updateGoodsCount','removeGoodsById']),
        radioChangeHandler(e){
          // console.log(e)
          this.updateGoodsState(e)
        },
        numChangeHandler(e){
          // console.log(e)
          this.updateGoodsCount(e)
        },
        swipeClickHandler(goods){
          this.removeGoodsById(goods.goods_id)
        },
        
      },
    data() {
      return {
        options:[{
          text:'删除',
          style:{
            backgroundColor:'#c00000'
          }
        }]
        
      };
    }
  }
</script>

<style lang="scss">
  .cart-container{
    padding-bottom: 50px;
  }
.cart-title{
  height: 40px;
  display: flex;
  align-items: center;
  padding-left: 5px;
  border-bottom: 1px solid #efefef;
  .cart-title-text{
    font-size: 14px;
    margin-left: 10px;
  }
}
.empty-cart{
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 150px;
  .empty-img{
    width: 90px;
    height: 90px;
  }
  .tip-text{
    font-size: 12px;
    color: gray;
    margin-top: 15px;
  }
}
</style>
